Low-power design of a digital FM demodulator based on zero-cross detection at IF

Author

Ismailoglu, N. ; Yalcin, T.

Author_Institution

Tubitak Bilten, Ankara, Turkey

Volume

2

fYear

1999

fDate

1999

Firstpage

810

Abstract

A digital FM receiver/demodulator system, utilizing the zero-cross detection technique, is designed and implemented on a single IC. Zero-cross detection is performed at an IF frequency of 455 kHz. The system is simulated for BT=0.3 GMSK input with an input data rate of 8000 bps and displayed a better BER performance than coherent detectors. The developed system is implemented in 0.5 μm triple-metal standard digital CMOS technology. Power dissipation of the resultant IC is less than its analog counterparts while the occupied silicon area is very small making it low cost. The FM receiver/demodulator IC is suitable to be used in low-power and low-cost mobile communication applications providing better BER performance than conventional systems, especially in noisy channels

Keywords

CMOS digital integrated circuits; demodulators; discriminators; error statistics; frequency shift keying; minimum shift keying; mobile radio; radio receivers; 0.5 micron; 455 kHz; 8000 bit/s; BER performance; FM receiver/demodulator IC; GMSK; IF frequency; digital FM demodulator; digital FM discriminator; digital FM receiver; input data rate; low-power design; mobile communication applications; power dissipation; triple-metal standard digital CMOS technology; zero-cross detection; Analog integrated circuits; Bit error rate; CMOS technology; Demodulation; Detectors; Digital integrated circuits; Frequency; Power dissipation; Silicon; Standards development;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 1999. VTC 1999 - Fall. IEEE VTS 50th

Conference_Location

Amsterdam

ISSN

1090-3038

Print_ISBN

0-7803-5435-4

Type

conf

DOI

10.1109/VETECF.1999.798441

Filename

798441